var keyStr = "ABCDEFGHIJKLMNOP" + "QRSTUVWXYZabcdef" + "ghijklmnopqrstuv" + "wxyz0123456789+/" + "=";

function code64(input) {
    var output = "";
    var chr1, chr2, chr3 = "";
    var enc1, enc2, enc3, enc4 = "";
    var i = 0;
    do {
        chr1 = input.charCodeAt(i++);
        chr2 = input.charCodeAt(i++);
        chr3 = input.charCodeAt(i++);
        enc1 = chr1 >> 2;
        enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
        enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
        enc4 = chr3 & 63;
        if (isNaN(chr2)) {
            enc3 = enc4 = 64
        } else if (isNaN(chr3)) {
            enc4 = 64
        }
        output = output + keyStr.charAt(enc1) + keyStr.charAt(enc2) + keyStr.charAt(enc3) + keyStr.charAt(enc4);
        chr1 = chr2 = chr3 = "";
        enc1 = enc2 = enc3 = enc4 = ""
    } while (i < input.length);
    return output
}

function changePage(page) {
    var cityCode = $("#cityCode").text();
    var mypage = code64(page + "-alice");
    window.location.href = "/page/" + mypage + "/12/" + cityCode
}

function changeCity(cityCode) {
    var mypage = code64(1 + "-alice");
    window.location.href = "/page/" + mypage + "/12/" + cityCode
}

function getInfo(obj) {
    var id = $(obj).attr("id");
    var code = code64(id + "");
    window.location.href = "/getPosition?id=" + code
}